3 |
8 |
7 |
32 |
1+2f(x) |
1+2f(x) |
t2-1 |
2 |
3 |
8 |
7 |
32 |
1 |
2 |
3 |
4 |
1+2f(x) |
1 |
2 |
1 |
2 |
1 |
2 |
3 |
4 |
1 |
2 |
3 |
4 |
1 |
2 |
15 |
8 |
3 |
4 |
63 |
32 |
15 |
8 |
63 |
32 |
15 |
8 |
63 |
32 |
A.[-3,3] | B.[-2,2] | C.[-1,1] | D.[-1,3] |
x-2 |
A.
| B.
| C.0.3 | D.
|
y | ||
z
|
z | ||
y
|
1+x |
x |
1-x |
A.(-∞,-1] | B.[-1,+∞) | C.[-1,1)∪(1,+∞) | D.R |
A.f(x)=x2+3x+2 | B.f(x)=x2+x+
| C.f(x)=
| D.f(x)=
|
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